BUFORD, Ga.--(BUSINESS WIRE)--Theragenics Corporation® (NYSE: TGX), a medical device company serving the surgical products and prostate cancer treatment markets, today announced it has signed a Supply and Reseller agreement with Accelyon Limited. Under the three-year agreement, Theragenics will supply its AgX100® seeds to Accelyon who will provide for the loading and packaging of the seeds into prescription loaded needles, custom strands and other configurations. Accelyon will distribute the finished products in the European Union, Australia and New Zealand.